﻿/*
 * This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as published by the
 * Free Software Foundation; either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

using AzerothCore.Game;

namespace AzerothCore.Auth;

internal enum AuthStatus
{
    STATUS_CHALLENGE = 0,
    STATUS_LOGON_PROOF,
    STATUS_RECONNECT_PROOF,
    STATUS_AUTHED,
    STATUS_WAITING_FOR_REALM_LIST,
    STATUS_CLOSED
};

internal enum AuthResult : byte
{
    WOW_SUCCESS = 0x00,
    WOW_FAIL_BANNED = 0x03,
    WOW_FAIL_UNKNOWN_ACCOUNT = 0x04,
    WOW_FAIL_INCORRECT_PASSWORD = 0x05,
    WOW_FAIL_ALREADY_ONLINE = 0x06,
    WOW_FAIL_NO_TIME = 0x07,
    WOW_FAIL_DB_BUSY = 0x08,
    WOW_FAIL_VERSION_INVALID = 0x09,
    WOW_FAIL_VERSION_UPDATE = 0x0A,
    WOW_FAIL_INVALID_SERVER = 0x0B,
    WOW_FAIL_SUSPENDED = 0x0C,
    WOW_FAIL_FAIL_NOACCESS = 0x0D,
    WOW_SUCCESS_SURVEY = 0x0E,
    WOW_FAIL_PARENTCONTROL = 0x0F,
    WOW_FAIL_LOCKED_ENFORCED = 0x10,
    WOW_FAIL_TRIAL_ENDED = 0x11,
    WOW_FAIL_USE_BATTLENET = 0x12,
    WOW_FAIL_ANTI_INDULGENCE = 0x13,
    WOW_FAIL_EXPIRED = 0x14,
    WOW_FAIL_NO_GAME_ACCOUNT = 0x15,
    WOW_FAIL_CHARGEBACK = 0x16,
    WOW_FAIL_INTERNET_GAME_ROOM_WITHOUT_BNET = 0x17,
    WOW_FAIL_GAME_ACCOUNT_LOCKED = 0x18,
    WOW_FAIL_UNLOCKABLE_LOCK = 0x19,
    WOW_FAIL_CONVERSION_REQUIRED = 0x20,
    WOW_FAIL_DISCONNECTED = 0xFF
};

internal enum LoginResult : byte
{
    LOGIN_OK = 0x00,
    LOGIN_FAILED = 0x01,
    LOGIN_FAILED2 = 0x02,
    LOGIN_BANNED = 0x03,
    LOGIN_UNKNOWN_ACCOUNT = 0x04,
    LOGIN_UNKNOWN_ACCOUNT3 = 0x05,
    LOGIN_ALREADYONLINE = 0x06,
    LOGIN_NOTIME = 0x07,
    LOGIN_DBBUSY = 0x08,
    LOGIN_BADVERSION = 0x09,
    LOGIN_DOWNLOAD_FILE = 0x0A,
    LOGIN_FAILED3 = 0x0B,
    LOGIN_SUSPENDED = 0x0C,
    LOGIN_FAILED4 = 0x0D,
    LOGIN_CONNECTED = 0x0E,
    LOGIN_PARENTALCONTROL = 0x0F,
    LOGIN_LOCKED_ENFORCED = 0x10
};

internal enum ExpansionFlags : byte
{
    POST_BC_EXP_FLAG = 0x2,
    PRE_BC_EXP_FLAG = 0x1,
    NO_VALID_EXP_FLAG = 0x0
};

internal static class AuthHelper
{
    public static readonly short MAX_PRE_BC_CLIENT_BUILD = 6141;

    public static bool IsPreBCAcceptedClientBuild(uint build)
    {
        return build <= MAX_PRE_BC_CLIENT_BUILD && IsAcceptedClientBuild(build);
    }

    public static bool IsPostBCAcceptedClientBuild(uint build)
    {
        return build > MAX_PRE_BC_CLIENT_BUILD && IsAcceptedClientBuild(build);
    }

    public static bool IsAcceptedClientBuild(uint build)
    {
        return RealmList.Instance?.GetBuildInfo(build) != null;
    }
}
